Da

Da, DA, dA, DÄ and other variants may refer to:

Daylight saving time (abbreviated DST), often referred to as daylight savings time in the USA (see terminology), and known as summer time in some countries, is the practice of advancing clocks during summer months so that evening daylight lasts longer, while sacrificing normal sunrise times.

Darth Vader (birth name Anakin Skywalker) is a fictional character in the Star Wars franchise. He appears in the original trilogy as a main and pivotal antagonist serving the Galactic Empire, while his past as Anakin Skywalker and the story of his corruption are the focus of the prequel trilogy.

David Robert Jones (8 January 1947 – 10 January 2016), known professionally as David Bowie (), was an English singer, songwriter and actor who is often considered to be one of the most influential musicians of the 20th century.

David Ernest Duke (born July 1, 1950) is an American white supremacist and white nationalist politician, antisemitic conspiracy theorist, Holocaust denier, convicted felon, and former Grand Wizard of the Ku Klux Klan.

Dallas () is a city in the U.S. state of Texas. It is the most populous city in the Dallas–Fort Worth metroplex, which is the fourth most populous metropolitan area in the United States.

A database is an organized collection of data, stored and accessed electronically. Database designers typically organize the data to model aspects of reality in a way that supports processes requiring information, such as (for example) modelling the availability of rooms in hotels in a way that supports finding a hotel with vacancies.

David Michael Bautista Jr. (born January 18, 1969) is an American actor, retired professional wrestler, mixed martial artist and bodybuilder.